[1] | 1 | /* libmondo-fork.c
|
---|
[128] | 2 | $Id: libmondo-fork.c 3878 2024-03-08 11:15:10Z bruno $
|
---|
[1] | 3 |
|
---|
| 4 | - subroutines for handling forking/pthreads/etc.
|
---|
| 5 | */
|
---|
| 6 |
|
---|
| 7 |
|
---|
| 8 | #include "my-stuff.h"
|
---|
[2224] | 9 | #include "mr_mem.h"
|
---|
[3191] | 10 | #include "mr_str.h"
|
---|
[3564] | 11 | #include "mr_sys.h"
|
---|
[1] | 12 | #include "mondostructures.h"
|
---|
| 13 | #include "libmondo-string-EXT.h"
|
---|
[541] | 14 | #include "libmondo-gui-EXT.h"
|
---|
[1] | 15 | #include "libmondo-files-EXT.h"
|
---|
| 16 | #include "libmondo-tools-EXT.h"
|
---|
| 17 |
|
---|
[3871] | 18 |
|
---|
[1] | 19 | /*@unused@*/
|
---|
[128] | 20 | //static char cvsid[] = "$Id: libmondo-fork.c 3878 2024-03-08 11:15:10Z bruno $";
|
---|
[1] | 21 |
|
---|
| 22 | extern t_bkptype g_backup_media_type;
|
---|
| 23 | extern bool g_text_mode;
|
---|
[1316] | 24 | extern char *MONDO_LOGFILE;
|
---|
[3568] | 25 | extern char *MONDO_LOGFILENAME;
|
---|
[1645] | 26 |
|
---|
| 27 | /* Reference to global bkpinfo */
|
---|
| 28 | extern struct s_bkpinfo *bkpinfo;
|
---|
[128] | 29 | pid_t g_buffer_pid = 0;
|
---|
[1] | 30 |
|
---|
| 31 |
|
---|
| 32 | /**
|
---|
| 33 | * Call a program and retrieve its last line of output.
|
---|
| 34 | * @param call The program to run.
|
---|
[3829] | 35 | * @return The last line of its output or the empty string.
|
---|
[3610] | 36 | * @note The returned value points to storage that needs to be freed by the
|
---|
| 37 | * caller
|
---|
[1] | 38 | */
|
---|
[3615] | 39 | char *call_program_and_get_last_line_of_output(const char *call) {
|
---|
[128] | 40 | /*@ buffers ***************************************************** */
|
---|
[3610] | 41 | char *result = NULL;
|
---|
[3615] | 42 | char *resultbkp = NULL;
|
---|
| 43 | char *result2 = NULL;
|
---|
[1] | 44 |
|
---|
[128] | 45 | /*@ pointers **************************************************** */
|
---|
[3191] | 46 | FILE *fin = NULL;
|
---|
[3604] | 47 | char *eng_call = NULL;
|
---|
[1] | 48 |
|
---|
[128] | 49 | /*@******************************************************************** */
|
---|
[1] | 50 |
|
---|
[128] | 51 | assert_string_is_neither_NULL_nor_zerolength(call);
|
---|
[3604] | 52 | mr_asprintf(eng_call,"LANG=C LANGUAGE=C %s",call);
|
---|
| 53 | log_msg(5, "cpaglloo called with '%s'", eng_call);
|
---|
| 54 | if ((fin = popen(eng_call, "r"))) {
|
---|
[3205] | 55 | while (!feof(fin)) {
|
---|
[3610] | 56 | mr_free(result);
|
---|
| 57 | mr_getline(result, fin);
|
---|
| 58 | if (strlen(result) > 1) {
|
---|
[3349] | 59 | log_msg(7, "result = '%s'", result);
|
---|
[3615] | 60 | /* in case we have to loop, we keep the
|
---|
| 61 | * previous value */
|
---|
| 62 | mr_free(resultbkp);
|
---|
| 63 | mr_asprintf(resultbkp, "%s", result);
|
---|
| 64 | } else {
|
---|
| 65 | /* we had to loop and got nothing useul, so we keep the
|
---|
| 66 | * previous value */
|
---|
| 67 | mr_free(result);
|
---|
| 68 | result = resultbkp;
|
---|
[128] | 69 | }
|
---|
| 70 | }
|
---|
| 71 | paranoid_pclose(fin);
|
---|
| 72 | } else {
|
---|
[3191] | 73 | log_OS_error("Unable to open resulting file");
|
---|
[1] | 74 | }
|
---|
[3604] | 75 | mr_free(eng_call);
|
---|
[3615] | 76 | if (result != NULL) {
|
---|
| 77 | result2 = mr_strip_spaces(result);
|
---|
| 78 | mr_free(result);
|
---|
| 79 | log_msg(5, "cpaglloo returns '%s'", result2);
|
---|
| 80 | } else {
|
---|
| 81 | mr_asprintf(result2, "");
|
---|
| 82 | }
|
---|
| 83 | return(result2);
|
---|
[1] | 84 | }
|
---|
| 85 |
|
---|
| 86 |
|
---|
[3653] | 87 | #define MONDO_POPMSG "Your machine will not retract the CD tray automatically. Please call mondoarchive with the -m (manual CD tray) flag."
|
---|
[1] | 88 |
|
---|
[3878] | 89 | void *run_prog_in_bkgd_then_exit(void *info)
|
---|
| 90 | {
|
---|
| 91 | char *sz_command;
|
---|
| 92 | static int res = 4444;
|
---|
[3871] | 93 |
|
---|
[3878] | 94 | res = 999;
|
---|
| 95 | sz_command = (char *) info;
|
---|
| 96 | log_msg(4, "sz_command = '%s'", sz_command);
|
---|
| 97 | res = system(sz_command);
|
---|
| 98 | if (res > 256 && res != 4444) {
|
---|
| 99 | res = res / 256;
|
---|
| 100 | }
|
---|
| 101 | log_msg(4, "child res = %d", res);
|
---|
| 102 | sz_command[0] = '\0';
|
---|
| 103 | pthread_exit((void *) (&res));
|
---|
| 104 | }
|
---|
| 105 |
|
---|
| 106 |
|
---|
| 107 |
|
---|
| 108 |
|
---|
[3871] | 109 | int run_external_binary_with_percentage_indicator_NEW(char *tt, char *cmd) {
|
---|
| 110 |
|
---|
| 111 | /*@ int *************************************************************** */
|
---|
| 112 | int res = 0;
|
---|
| 113 | int percentage = 0;
|
---|
| 114 | int maxpc = 100;
|
---|
| 115 | int pcno = 0;
|
---|
| 116 | int counter = 0;
|
---|
| 117 |
|
---|
| 118 | /*@ buffers *********************************************************** */
|
---|
| 119 | char *command = NULL;
|
---|
| 120 | /*@ pointers ********************************************************** */
|
---|
| 121 | static int chldres = 0;
|
---|
| 122 | int *pchild_result;
|
---|
| 123 | pthread_t childthread;
|
---|
| 124 |
|
---|
| 125 | pchild_result = &chldres;
|
---|
| 126 | assert_string_is_neither_NULL_nor_zerolength(cmd);
|
---|
| 127 | assert_string_is_neither_NULL_nor_zerolength(tt);
|
---|
| 128 | *pchild_result = 999;
|
---|
| 129 |
|
---|
| 130 | mr_asprintf(command, "%s 2>> %s", cmd, MONDO_LOGFILE);
|
---|
| 131 | log_msg(3, "command = '%s'", command);
|
---|
| 132 | if ((res = pthread_create(&childthread, NULL, run_prog_in_bkgd_then_exit, (void *) command))) {
|
---|
| 133 | fatal_error("Unable to create an archival thread");
|
---|
| 134 | }
|
---|
| 135 |
|
---|
| 136 | log_msg(8, "Parent running");
|
---|
| 137 | open_evalcall_form(tt);
|
---|
| 138 |
|
---|
| 139 | for (sleep(1); command[0] != '\0'; sleep(1)) {
|
---|
| 140 | if (strstr(cmd,"mindi") != NULL) {
|
---|
| 141 | pcno = grab_percentage_from_last_line_of_file(MINDI_RUNFILE);
|
---|
| 142 | } else {
|
---|
| 143 | pcno = grab_percentage_from_last_line_of_file(MONDO_LOGFILE);
|
---|
| 144 | }
|
---|
| 145 | if (pcno < 0 || pcno > 100) {
|
---|
| 146 | log_msg(8, "Weird pc# %d", pcno);
|
---|
| 147 | continue;
|
---|
| 148 | }
|
---|
| 149 | percentage = pcno * 100 / maxpc;
|
---|
| 150 | if (counter++ >= 5) {
|
---|
| 151 | counter = 0;
|
---|
| 152 | log_file_end_to_screen(MONDO_LOGFILE, "");
|
---|
| 153 | }
|
---|
| 154 | update_evalcall_form(percentage);
|
---|
| 155 | }
|
---|
| 156 | mr_free(command);
|
---|
| 157 |
|
---|
| 158 | log_file_end_to_screen(MONDO_LOGFILE, "");
|
---|
| 159 | close_evalcall_form();
|
---|
| 160 | pthread_join(childthread, (void *) (&pchild_result));
|
---|
| 161 | if (pchild_result) {
|
---|
| 162 | res = *pchild_result;
|
---|
| 163 | } else {
|
---|
| 164 | res = 666;
|
---|
| 165 | }
|
---|
| 166 | log_msg(3, "Parent res = %d", res);
|
---|
| 167 | return (res);
|
---|
| 168 | }
|
---|
| 169 |
|
---|
| 170 |
|
---|
[1] | 171 | /**
|
---|
| 172 | * Call mkisofs to create an ISO image.
|
---|
| 173 | * @param bkpinfo The backup information structure. Fields used:
|
---|
| 174 | * - @c bkpinfo->manual_cd_tray
|
---|
| 175 | * - @c bkpinfo->backup_media_type
|
---|
| 176 | * @param basic_call The call to mkisofs. May contain tokens that will be resolved to actual data. The tokens are:
|
---|
| 177 | * - @c _ISO_ will become the ISO file (@p isofile)
|
---|
| 178 | * - @c _CD#_ becomes the CD number (@p cd_no)
|
---|
| 179 | * - @c _ERR_ becomes the logfile (@p g_logfile)
|
---|
| 180 | * @param isofile Replaces @c _ISO_ in @p basic_call. Should probably be the ISO image to create (-o parameter to mkisofs).
|
---|
| 181 | * @param cd_no Replaces @c _CD#_ in @p basic_call. Should probably be the CD number.
|
---|
| 182 | * @param what_i_am_doing The action taking place (e.g. "Making ISO #1"). Used as the title of the progress dialog.
|
---|
| 183 | * @return Exit code of @c mkisofs (0 is success, anything else indicates failure).
|
---|
| 184 | */
|
---|
| 185 | int
|
---|
[1645] | 186 | eval_call_to_make_ISO(char *basic_call, char *isofile,
|
---|
[3849] | 187 | int cd_no, char *what_i_am_doing)
|
---|
[1] | 188 | {
|
---|
| 189 |
|
---|
[128] | 190 | /*@ int's *** */
|
---|
| 191 | int retval = 0;
|
---|
[1] | 192 |
|
---|
| 193 |
|
---|
[128] | 194 | /*@ buffers *** */
|
---|
[3191] | 195 | char *midway_call = NULL;
|
---|
| 196 | char *ultimate_call = NULL;
|
---|
| 197 | char *tmp = NULL;
|
---|
| 198 |
|
---|
| 199 | char *cd_number_str = NULL;
|
---|
| 200 | char *command = NULL;
|
---|
| 201 | char *p= NULL;
|
---|
[2224] | 202 | char *tmp1 = NULL;
|
---|
[3191] | 203 | char *tmp2 = NULL;
|
---|
[1] | 204 |
|
---|
| 205 | /*@*********** End Variables ***************************************/
|
---|
| 206 |
|
---|
[128] | 207 | log_msg(3, "Starting");
|
---|
| 208 | assert(bkpinfo != NULL);
|
---|
| 209 | assert_string_is_neither_NULL_nor_zerolength(isofile);
|
---|
[3191] | 210 |
|
---|
[128] | 211 | if (!(midway_call = malloc(1200))) {
|
---|
| 212 | fatal_error("Cannot malloc midway_call");
|
---|
| 213 | }
|
---|
| 214 | if (!(ultimate_call = malloc(1200))) {
|
---|
| 215 | fatal_error("Cannot malloc ultimate_call");
|
---|
| 216 | }
|
---|
| 217 | if (!(tmp = malloc(1200))) {
|
---|
| 218 | fatal_error("Cannot malloc tmp");
|
---|
| 219 | }
|
---|
[1] | 220 |
|
---|
[2380] | 221 | if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
|
---|
[3185] | 222 | mr_asprintf(tmp1, "su - %s -c \"%s\"", bkpinfo->netfs_user, basic_call);
|
---|
[2224] | 223 | } else {
|
---|
[3185] | 224 | mr_asprintf(tmp1, "%s", basic_call);
|
---|
[2224] | 225 | }
|
---|
| 226 |
|
---|
[3191] | 227 | mr_asprintf(cd_number_str, "%d", cd_no);
|
---|
[2224] | 228 | resolve_naff_tokens(midway_call, tmp1, isofile, "_ISO_");
|
---|
[3191] | 229 | log_msg(4, "basic call = '%s'", tmp1);
|
---|
| 230 | mr_free(tmp1);
|
---|
| 231 |
|
---|
[128] | 232 | resolve_naff_tokens(tmp, midway_call, cd_number_str, "_CD#_");
|
---|
[3191] | 233 | log_msg(4, "midway_call = '%s'", midway_call);
|
---|
| 234 | mr_free(cd_number_str);
|
---|
| 235 |
|
---|
[128] | 236 | resolve_naff_tokens(ultimate_call, tmp, MONDO_LOGFILE, "_ERR_");
|
---|
| 237 | log_msg(4, "ultimate call = '%s'", ultimate_call);
|
---|
[3191] | 238 | mr_asprintf(command, "%s >> %s", ultimate_call, MONDO_LOGFILE);
|
---|
[1] | 239 |
|
---|
[3560] | 240 | /* Copy the current logfile - of course incomplete to the media */
|
---|
[3567] | 241 | mr_system("gzip -c9 %s > ./archives/%d.%s", MONDO_LOGFILE, cd_number_str, MONDO_LOGFILENAME);
|
---|
[3560] | 242 |
|
---|
[3191] | 243 | log_to_screen("Please be patient. Do not be alarmed by on-screen inactivity.");
|
---|
| 244 | log_msg(4, "Calling open_evalcall_form() with what_i_am_doing='%s'", what_i_am_doing);
|
---|
[128] | 245 | if (bkpinfo->manual_cd_tray) {
|
---|
[3191] | 246 | mr_asprintf(tmp2, "%s", command);
|
---|
| 247 | p = strstr(tmp2, "2>>");
|
---|
[128] | 248 | if (p) {
|
---|
[3863] | 249 | /* overwrites the 2>> */
|
---|
| 250 | *p++ = ' ';
|
---|
| 251 | *p++ = ' ';
|
---|
| 252 | *p++ = ' ';
|
---|
| 253 | /* skip remaining spaces */
|
---|
| 254 | for (; (*p == ' ') && (*p != '\0'); p++);
|
---|
| 255 | /* overwrites what is after the 2>> */
|
---|
[3191] | 256 | for (; (*p != ' ') && (*p != '\0'); p++) {
|
---|
[128] | 257 | *p = ' ';
|
---|
| 258 | }
|
---|
| 259 | }
|
---|
[3191] | 260 | mr_free(command);
|
---|
| 261 | command = tmp2;
|
---|
[128] | 262 | if (!g_text_mode) {
|
---|
| 263 | newtSuspend();
|
---|
| 264 | }
|
---|
| 265 | log_msg(1, "command = '%s'", command);
|
---|
| 266 | retval += system(command);
|
---|
| 267 | if (!g_text_mode) {
|
---|
| 268 | newtResume();
|
---|
| 269 | }
|
---|
| 270 | if (retval) {
|
---|
[3191] | 271 | popup_and_OK("mkisofs and/or cdrecord returned an error. CD was not created");
|
---|
[128] | 272 | }
|
---|
[1] | 273 | }
|
---|
[128] | 274 | /* if text mode then do the above & RETURN; if not text mode, do this... */
|
---|
| 275 | else {
|
---|
| 276 | log_msg(3, "command = '%s'", command);
|
---|
[3191] | 277 | retval = run_external_binary_with_percentage_indicator_NEW(what_i_am_doing, command);
|
---|
[128] | 278 | }
|
---|
[3191] | 279 | mr_free(command);
|
---|
[128] | 280 | paranoid_free(midway_call);
|
---|
| 281 | paranoid_free(ultimate_call);
|
---|
| 282 | paranoid_free(tmp);
|
---|
| 283 | return (retval);
|
---|
[1] | 284 | }
|
---|
| 285 |
|
---|
| 286 |
|
---|
[1688] | 287 | /**
|
---|
| 288 | * Call copy of data to create an USB image.
|
---|
| 289 | * @param bkpinfo The backup information structure. Fields used:
|
---|
| 290 | * - @c bkpinfo->backup_media_type
|
---|
| 291 | * @return Exit code of @c copy (0 is success, anything else indicates failure).
|
---|
| 292 | */
|
---|
| 293 | int
|
---|
| 294 | eval_call_to_make_USB(char *command, char *what_i_am_doing) {
|
---|
[1] | 295 |
|
---|
[1688] | 296 | /*@ int's *** */
|
---|
| 297 | int retval = 0;
|
---|
[1] | 298 |
|
---|
[1688] | 299 |
|
---|
| 300 | /*@*********** End Variables ***************************************/
|
---|
| 301 |
|
---|
| 302 | log_msg(3, "Starting");
|
---|
| 303 | assert(bkpinfo != NULL);
|
---|
| 304 |
|
---|
| 305 | log_to_screen
|
---|
| 306 | ("Please be patient. Do not be alarmed by on-screen inactivity.");
|
---|
| 307 | log_msg(4, "Calling open_evalcall_form() with what_i_am_doing='%s'",
|
---|
| 308 | what_i_am_doing);
|
---|
| 309 |
|
---|
| 310 | if (!g_text_mode) {
|
---|
| 311 | newtSuspend();
|
---|
| 312 | }
|
---|
| 313 | log_msg(1, "command = '%s'", command);
|
---|
| 314 | if (!g_text_mode) {
|
---|
[3191] | 315 | retval = run_external_binary_with_percentage_indicator_NEW(what_i_am_doing, command);
|
---|
[1688] | 316 | } else {
|
---|
| 317 | retval += system(command);
|
---|
| 318 | }
|
---|
| 319 | if (!g_text_mode) {
|
---|
| 320 | newtResume();
|
---|
| 321 | }
|
---|
| 322 |
|
---|
| 323 | return (retval);
|
---|
| 324 | }
|
---|
| 325 |
|
---|
| 326 |
|
---|
| 327 |
|
---|
| 328 |
|
---|
[1] | 329 | /**
|
---|
| 330 | * Run a program and log its output (stdout and stderr) to the logfile.
|
---|
| 331 | * @param program The program to run. Passed to the shell, so you can use pipes etc.
|
---|
| 332 | * @param debug_level If @p g_loglevel is higher than this, do not log the output.
|
---|
| 333 | * @return The exit code of @p program (depends on the command, but 0 almost always indicates success).
|
---|
| 334 | */
|
---|
[128] | 335 | int run_program_and_log_output(char *program, int debug_level)
|
---|
[1] | 336 | {
|
---|
[128] | 337 | /*@ buffer ****************************************************** */
|
---|
[3034] | 338 | char *callstr = NULL;
|
---|
[3641] | 339 | char *incoming = NULL;
|
---|
[3034] | 340 | char *tmp1 = NULL;
|
---|
[3641] | 341 | char *tmp2 = NULL;
|
---|
[1] | 342 |
|
---|
[128] | 343 | /*@ int ********************************************************* */
|
---|
| 344 | int res;
|
---|
| 345 | bool log_if_failure = FALSE;
|
---|
| 346 | bool log_if_success = FALSE;
|
---|
[1] | 347 |
|
---|
[128] | 348 | /*@ pointers *************************************************** */
|
---|
| 349 | FILE *fin;
|
---|
| 350 | char *p;
|
---|
[1] | 351 |
|
---|
[128] | 352 | /*@ end vars *************************************************** */
|
---|
[1] | 353 |
|
---|
[128] | 354 | assert(program != NULL);
|
---|
| 355 | if (!program[0]) {
|
---|
| 356 | log_msg(2, "Warning - asked to run zerolength program");
|
---|
[3195] | 357 | return(1);
|
---|
[128] | 358 | }
|
---|
[1] | 359 |
|
---|
[128] | 360 | if (debug_level <= g_loglevel) {
|
---|
| 361 | log_if_success = TRUE;
|
---|
| 362 | log_if_failure = TRUE;
|
---|
| 363 | }
|
---|
[3185] | 364 | mr_asprintf(callstr, "%s > %s/mondo-run-prog-thing.tmp 2> %s/mondo-run-prog-thing.err", program, bkpinfo->tmpdir, bkpinfo->tmpdir);
|
---|
[128] | 365 | while ((p = strchr(callstr, '\r'))) {
|
---|
| 366 | *p = ' ';
|
---|
| 367 | }
|
---|
| 368 | while ((p = strchr(callstr, '\n'))) {
|
---|
| 369 | *p = ' ';
|
---|
| 370 | } /* single '=' is intentional */
|
---|
[1] | 371 |
|
---|
| 372 |
|
---|
[128] | 373 | res = system(callstr);
|
---|
| 374 | if (((res == 0) && log_if_success) || ((res != 0) && log_if_failure)) {
|
---|
| 375 | log_msg(0, "running: %s", callstr);
|
---|
[3034] | 376 | log_msg(0, "--------------------------------start of output-----------------------------");
|
---|
[128] | 377 | }
|
---|
[3034] | 378 | mr_free(callstr);
|
---|
| 379 |
|
---|
[3185] | 380 | mr_asprintf(callstr, "cat %s/mondo-run-prog-thing.err >> %s/mondo-run-prog-thing.tmp 2> /dev/null", bkpinfo->tmpdir, bkpinfo->tmpdir);
|
---|
[1644] | 381 | if (log_if_failure && system(callstr)) {
|
---|
[128] | 382 | log_OS_error("Command failed");
|
---|
| 383 | }
|
---|
[3034] | 384 | mr_free(callstr);
|
---|
| 385 |
|
---|
[3185] | 386 | mr_asprintf(tmp1, "%s/mondo-run-prog-thing.err", bkpinfo->tmpdir);
|
---|
[3034] | 387 | unlink(tmp1);
|
---|
| 388 | mr_free(tmp1);
|
---|
| 389 |
|
---|
[3185] | 390 | mr_asprintf(tmp1, "%s/mondo-run-prog-thing.tmp", bkpinfo->tmpdir);
|
---|
[3034] | 391 | fin = fopen(tmp1, "r");
|
---|
[128] | 392 | if (fin) {
|
---|
[3641] | 393 | for (mr_getline(incoming, fin); !feof(fin); mr_getline(incoming, fin)) {
|
---|
| 394 | // Removes % char
|
---|
| 395 | tmp2 = mr_stresc(incoming, "%", '\\', '\'');
|
---|
| 396 | mr_free(incoming);
|
---|
| 397 | incoming = tmp2;
|
---|
| 398 |
|
---|
| 399 | // Remove spaces
|
---|
| 400 | tmp2 = mr_strip_spaces(incoming);
|
---|
| 401 | mr_free(incoming);
|
---|
| 402 | incoming = tmp2;
|
---|
[3034] | 403 | if ((res == 0 && log_if_success) || (res != 0 && log_if_failure)) {
|
---|
[128] | 404 | log_msg(0, incoming);
|
---|
| 405 | }
|
---|
[3641] | 406 | mr_free(incoming);
|
---|
[1] | 407 | }
|
---|
[3643] | 408 | mr_free(incoming);
|
---|
[128] | 409 | paranoid_fclose(fin);
|
---|
[1] | 410 | }
|
---|
[3034] | 411 | unlink(tmp1);
|
---|
| 412 | mr_free(tmp1);
|
---|
| 413 |
|
---|
[128] | 414 | if ((res == 0 && log_if_success) || (res != 0 && log_if_failure)) {
|
---|
| 415 | log_msg(0,
|
---|
| 416 | "--------------------------------end of output------------------------------");
|
---|
| 417 | if (res) {
|
---|
| 418 | log_msg(0, "...ran with res=%d", res);
|
---|
| 419 | } else {
|
---|
| 420 | log_msg(0, "...ran just fine. :-)");
|
---|
| 421 | }
|
---|
| 422 | }
|
---|
[3195] | 423 | return(res);
|
---|
[1] | 424 | }
|
---|
| 425 |
|
---|
| 426 |
|
---|
| 427 |
|
---|
| 428 | /**
|
---|
| 429 | * Run a program and log its output to the screen.
|
---|
| 430 | * @param basic_call The program to run.
|
---|
| 431 | * @param what_i_am_doing The title of the evalcall form.
|
---|
| 432 | * @return The return value of the command (varies, but 0 almost always means success).
|
---|
| 433 | * @see run_program_and_log_output
|
---|
| 434 | * @see log_to_screen
|
---|
| 435 | */
|
---|
[128] | 436 | int run_program_and_log_to_screen(char *basic_call, char *what_i_am_doing)
|
---|
[1] | 437 | {
|
---|
[128] | 438 | /*@ int ******************************************************** */
|
---|
| 439 | int retval = 0;
|
---|
| 440 | int res = 0;
|
---|
| 441 | int i;
|
---|
[1] | 442 |
|
---|
[128] | 443 | /*@ pointers **************************************************** */
|
---|
| 444 | FILE *fin;
|
---|
[1] | 445 |
|
---|
[128] | 446 | /*@ buffers **************************************************** */
|
---|
[2700] | 447 | char *command = NULL;
|
---|
[3191] | 448 | char *lockfile = NULL;
|
---|
[1] | 449 |
|
---|
[128] | 450 | /*@ end vars *************************************************** */
|
---|
[1] | 451 |
|
---|
[128] | 452 | assert_string_is_neither_NULL_nor_zerolength(basic_call);
|
---|
[1] | 453 |
|
---|
[3191] | 454 | mr_asprintf(lockfile, "%s/mojo-jojo.bla.bla", bkpinfo->tmpdir);
|
---|
[1644] | 455 |
|
---|
[3191] | 456 | mr_asprintf(command, "echo hi > %s ; %s >> %s 2>> %s; res=$?; sleep 1; rm -f %s; exit $res", lockfile, basic_call, MONDO_LOGFILE, MONDO_LOGFILE, lockfile);
|
---|
[128] | 457 | open_evalcall_form(what_i_am_doing);
|
---|
[3191] | 458 | log_msg(2, "Executing %s", basic_call);
|
---|
[2700] | 459 |
|
---|
[128] | 460 | if (!(fin = popen(command, "r"))) {
|
---|
| 461 | log_OS_error("Unable to popen-in command");
|
---|
[3191] | 462 | log_to_screen("Failed utterly to call '%s'", command);
|
---|
[2700] | 463 | mr_free(command);
|
---|
[3191] | 464 | mr_free(lockfile);
|
---|
[128] | 465 | return (1);
|
---|
| 466 | }
|
---|
[3191] | 467 |
|
---|
[128] | 468 | if (!does_file_exist(lockfile)) {
|
---|
[2656] | 469 | log_to_screen("Waiting for '%s' to start",command);
|
---|
[128] | 470 | for (i = 0; i < 60 && !does_file_exist(lockfile); sleep(1), i++) {
|
---|
| 471 | log_msg(3, "Waiting for lockfile %s to exist", lockfile);
|
---|
| 472 | }
|
---|
| 473 | }
|
---|
[2700] | 474 | mr_free(command);
|
---|
[3191] | 475 |
|
---|
[128] | 476 | for (; does_file_exist(lockfile); sleep(1)) {
|
---|
| 477 | log_file_end_to_screen(MONDO_LOGFILE, "");
|
---|
| 478 | update_evalcall_form(1);
|
---|
| 479 | }
|
---|
[3191] | 480 |
|
---|
[154] | 481 | /* Evaluate the status returned by pclose to get the exit code of the called program. */
|
---|
| 482 | errno = 0;
|
---|
| 483 | res = pclose(fin);
|
---|
| 484 | /* Log actual pclose errors. */
|
---|
| 485 | if (errno) log_msg(5, "pclose err: %d", errno);
|
---|
| 486 | /* Check if we have a valid status. If we do, extract the called program's exit code. */
|
---|
| 487 | /* If we don't, highlight this fact by returning -1. */
|
---|
| 488 | if (WIFEXITED(res)) {
|
---|
| 489 | retval = WEXITSTATUS(res);
|
---|
| 490 | } else {
|
---|
| 491 | retval = -1;
|
---|
| 492 | }
|
---|
[128] | 493 | close_evalcall_form();
|
---|
| 494 | unlink(lockfile);
|
---|
[3191] | 495 | mr_free(lockfile);
|
---|
| 496 |
|
---|
[128] | 497 | return (retval);
|
---|
[1] | 498 | }
|
---|
| 499 |
|
---|
| 500 |
|
---|
| 501 |
|
---|
| 502 |
|
---|
| 503 | /**
|
---|
| 504 | * Apparently unused. @bug This has a purpose, but what?
|
---|
| 505 | */
|
---|
| 506 | #define PIMP_START_SZ "STARTSTARTSTART9ff3kff9a82gv34r7fghbkaBBC2T231hc81h42vws8"
|
---|
| 507 | #define PIMP_END_SZ "ENDENDEND0xBBC10xBBC2T231hc81h42vws89ff3kff9a82gv34r7fghbka"
|
---|
| 508 |
|
---|
| 509 |
|
---|
| 510 |
|
---|
[296] | 511 |
|
---|
[128] | 512 | int copy_from_src_to_dest(FILE * f_orig, FILE * f_archived, char direction)
|
---|
[1] | 513 | {
|
---|
| 514 | // if dir=='w' then copy from orig to archived
|
---|
| 515 | // if dir=='r' then copy from archived to orig
|
---|
[3191] | 516 | char *tmp = NULL;
|
---|
| 517 | char *tmp1 = NULL;
|
---|
| 518 | char *buf = NULL;
|
---|
| 519 | char *filestr = NULL;
|
---|
[128] | 520 | long int bytes_to_be_read, bytes_read_in, bytes_written_out =
|
---|
| 521 | 0, bufcap, subsliceno = 0;
|
---|
| 522 | int retval = 0;
|
---|
| 523 | FILE *fin;
|
---|
| 524 | FILE *fout;
|
---|
| 525 | FILE *ftmp;
|
---|
[2178] | 526 | int tmpcap = 512;
|
---|
[1] | 527 |
|
---|
[128] | 528 | log_msg(5, "Opening.");
|
---|
[3191] | 529 |
|
---|
[128] | 530 | bufcap = 256L * 1024L;
|
---|
| 531 | if (!(buf = malloc(bufcap))) {
|
---|
| 532 | fatal_error("Failed to malloc() buf");
|
---|
| 533 | }
|
---|
[1] | 534 |
|
---|
[128] | 535 | if (direction == 'w') {
|
---|
| 536 | fin = f_orig;
|
---|
| 537 | fout = f_archived;
|
---|
[3191] | 538 | mr_asprintf(tmp, "%-64s", PIMP_START_SZ);
|
---|
[128] | 539 | if (fwrite(tmp, 1, 64, fout) != 64) {
|
---|
[3191] | 540 | mr_free(tmp);
|
---|
[128] | 541 | fatal_error("Can't write the introductory block");
|
---|
| 542 | }
|
---|
[3191] | 543 | mr_free(tmp);
|
---|
| 544 |
|
---|
[128] | 545 | while (1) {
|
---|
| 546 | bytes_to_be_read = bytes_read_in = fread(buf, 1, bufcap, fin);
|
---|
| 547 | if (bytes_read_in == 0) {
|
---|
| 548 | break;
|
---|
| 549 | }
|
---|
[3191] | 550 | mr_asprintf(tmp, "%-64ld", bytes_read_in);
|
---|
[128] | 551 | if (fwrite(tmp, 1, 64, fout) != 64) {
|
---|
[3191] | 552 | mr_free(tmp);
|
---|
[128] | 553 | fatal_error("Cannot write introductory block");
|
---|
| 554 | }
|
---|
[3191] | 555 | mr_free(tmp);
|
---|
| 556 |
|
---|
[128] | 557 | log_msg(7,
|
---|
| 558 | "subslice #%ld --- I have read %ld of %ld bytes in from f_orig",
|
---|
| 559 | subsliceno, bytes_read_in, bytes_to_be_read);
|
---|
| 560 | bytes_written_out += fwrite(buf, 1, bytes_read_in, fout);
|
---|
[3191] | 561 | mr_asprintf(tmp, "%-64ld", subsliceno);
|
---|
[128] | 562 | if (fwrite(tmp, 1, 64, fout) != 64) {
|
---|
[3191] | 563 | mr_free(tmp);
|
---|
[128] | 564 | fatal_error("Cannot write post-thingy block");
|
---|
| 565 | }
|
---|
[3191] | 566 | mr_free(tmp);
|
---|
[128] | 567 | log_msg(7, "Subslice #%d written OK", subsliceno);
|
---|
| 568 | subsliceno++;
|
---|
| 569 | }
|
---|
[3191] | 570 | mr_asprintf(tmp, "%-64ld", 0L);
|
---|
[128] | 571 | if (fwrite(tmp, 1, 64L, fout) != 64L) {
|
---|
[3191] | 572 | mr_free(tmp);
|
---|
[128] | 573 | fatal_error("Cannot write final introductory block");
|
---|
| 574 | }
|
---|
[3191] | 575 | mr_free(tmp);
|
---|
| 576 |
|
---|
| 577 | mr_asprintf(tmp, "%-64s", PIMP_END_SZ);
|
---|
| 578 | if (fwrite(tmp, 1, 64, fout) != 64) {
|
---|
| 579 | mr_free(tmp);
|
---|
| 580 | fatal_error("Can't write the final block");
|
---|
| 581 | }
|
---|
| 582 | mr_free(tmp);
|
---|
[128] | 583 | } else {
|
---|
| 584 | fin = f_archived;
|
---|
| 585 | fout = f_orig;
|
---|
[3191] | 586 | if (!(tmp1 = malloc(tmpcap))) {
|
---|
| 587 | fatal_error("Failed to malloc() tmp");
|
---|
| 588 | }
|
---|
| 589 | if (fread(tmp1, 1, 64L, fin) != 64L) {
|
---|
| 590 | mr_free(tmp1);
|
---|
[128] | 591 | fatal_error("Cannot read the introductory block");
|
---|
| 592 | }
|
---|
[3191] | 593 | log_msg(5, "tmp1 is %s", tmp1);
|
---|
| 594 | if (!strstr(tmp1, PIMP_START_SZ)) {
|
---|
| 595 | mr_free(tmp1);
|
---|
[128] | 596 | fatal_error("Can't find intro blk");
|
---|
| 597 | }
|
---|
[3191] | 598 | if (fread(tmp1, 1, 64L, fin) != 64L) {
|
---|
| 599 | mr_free(tmp1);
|
---|
[128] | 600 | fatal_error("Cannot read introductory blk");
|
---|
| 601 | }
|
---|
[3191] | 602 | bytes_to_be_read = atol(tmp1);
|
---|
[128] | 603 | while (bytes_to_be_read > 0) {
|
---|
[3191] | 604 | log_msg(7, "subslice#%ld, bytes=%ld", subsliceno, bytes_to_be_read);
|
---|
[128] | 605 | bytes_read_in = fread(buf, 1, bytes_to_be_read, fin);
|
---|
| 606 | if (bytes_read_in != bytes_to_be_read) {
|
---|
[3191] | 607 | mr_free(tmp1);
|
---|
| 608 | fatal_error("Danger, WIll Robinson. Failed to read whole subvol from archives.");
|
---|
[128] | 609 | }
|
---|
| 610 | bytes_written_out += fwrite(buf, 1, bytes_read_in, fout);
|
---|
[3191] | 611 | if (fread(tmp1, 1, 64, fin) != 64) {
|
---|
| 612 | mr_free(tmp1);
|
---|
[128] | 613 | fatal_error("Cannot read post-thingy block");
|
---|
| 614 | }
|
---|
[3191] | 615 | if (atol(tmp1) != subsliceno) {
|
---|
| 616 | log_msg(1, "Wanted subslice %ld but got %ld ('%s')", subsliceno, atol(tmp1), tmp1);
|
---|
[128] | 617 | }
|
---|
| 618 | log_msg(7, "Subslice #%ld read OK", subsliceno);
|
---|
| 619 | subsliceno++;
|
---|
[3191] | 620 | if (fread(tmp1, 1, 64, fin) != 64) {
|
---|
| 621 | mr_free(tmp1);
|
---|
[128] | 622 | fatal_error("Cannot read introductory block");
|
---|
| 623 | }
|
---|
[3191] | 624 | bytes_to_be_read = atol(tmp1);
|
---|
[128] | 625 | }
|
---|
| 626 | }
|
---|
[1] | 627 |
|
---|
[128] | 628 | if (direction == 'w') {
|
---|
[3191] | 629 | mr_asprintf(tmp, "%-64s", PIMP_END_SZ);
|
---|
[128] | 630 | if (fwrite(tmp, 1, 64, fout) != 64) {
|
---|
[3191] | 631 | mr_free(tmp);
|
---|
[128] | 632 | fatal_error("Can't write the final block");
|
---|
| 633 | }
|
---|
[3191] | 634 | mr_free(tmp);
|
---|
[128] | 635 | } else {
|
---|
[3191] | 636 | log_msg(1, "tmpA is %s", tmp1);
|
---|
| 637 | if (!strstr(tmp1, PIMP_END_SZ)) {
|
---|
| 638 | if (fread(tmp1, 1, 64, fin) != 64) {
|
---|
| 639 | mr_free(tmp1);
|
---|
[128] | 640 | fatal_error("Can't read the final block");
|
---|
| 641 | }
|
---|
[3191] | 642 | log_msg(5, "tmpB is %s", tmp1);
|
---|
| 643 | if (!strstr(tmp1, PIMP_END_SZ)) {
|
---|
| 644 | mr_asprintf(filestr, "%s/out.leftover", bkpinfo->tmpdir);
|
---|
[1644] | 645 | ftmp = fopen(filestr, "w");
|
---|
[3191] | 646 | mr_free(filestr);
|
---|
| 647 |
|
---|
| 648 | bytes_read_in = fread(tmp1, 1, 64, fin);
|
---|
[128] | 649 | log_msg(1, "bytes_read_in = %ld", bytes_read_in);
|
---|
[3191] | 650 |
|
---|
[3060] | 651 | if (fwrite(tmp, 1, bytes_read_in, ftmp)) {
|
---|
| 652 | fatal_error("Can't fwrite here");
|
---|
| 653 | }
|
---|
[3191] | 654 |
|
---|
| 655 | mr_asprintf(tmp, "I am here - %lld", (long long)ftello(fin));
|
---|
[3060] | 656 | if (fread(tmp, 1, tmpcap, fin)) {
|
---|
[3191] | 657 | mr_free(tmp);
|
---|
[3060] | 658 | fatal_error("Can't fread here");
|
---|
| 659 | }
|
---|
[128] | 660 | log_msg(0, "tmp = '%s'", tmp);
|
---|
[3060] | 661 | if (fwrite(tmp, 1, tmpcap, ftmp)) {
|
---|
[3191] | 662 | mr_free(tmp);
|
---|
[3060] | 663 | fatal_error("Can't fwrite there");
|
---|
| 664 | }
|
---|
[128] | 665 | fclose(ftmp);
|
---|
[3191] | 666 | mr_free(tmp);
|
---|
[128] | 667 | fatal_error("Missing terminating block");
|
---|
| 668 | }
|
---|
| 669 | }
|
---|
| 670 | }
|
---|
[3191] | 671 | mr_free(tmp1);
|
---|
[1] | 672 |
|
---|
[128] | 673 | paranoid_free(buf);
|
---|
| 674 | log_msg(3, "Successfully copied %ld bytes", bytes_written_out);
|
---|
| 675 | return (retval);
|
---|
[1] | 676 | }
|
---|
| 677 |
|
---|
| 678 |
|
---|
| 679 |
|
---|
| 680 |
|
---|
| 681 | /**
|
---|
[296] | 682 | * Feed @p input_device through ntfsclone to @p output_fname.
|
---|
[1] | 683 | * @param input_device The device to image.
|
---|
| 684 | * @param output_fname The file to write.
|
---|
| 685 | * @return 0 for success, nonzero for failure.
|
---|
| 686 | */
|
---|
[296] | 687 | int feed_into_ntfsprog(char *input_device, char *output_fname)
|
---|
[1] | 688 | {
|
---|
| 689 | // BACKUP
|
---|
[296] | 690 | int res = -1;
|
---|
[3191] | 691 | char *command = NULL;
|
---|
[3866] | 692 | char *tmp = NULL;
|
---|
[1] | 693 |
|
---|
[128] | 694 | if (!does_file_exist(input_device)) {
|
---|
| 695 | fatal_error("input device does not exist");
|
---|
| 696 | }
|
---|
[3866] | 697 | if ((tmp = find_home_of_exe("ntfsclone")) == NULL) {
|
---|
[296] | 698 | fatal_error("ntfsclone not found");
|
---|
[128] | 699 | }
|
---|
[3866] | 700 | mr_asprintf(command, "%s --rescue --force --save-image --overwrite %s %s", tmp, output_fname, input_device);
|
---|
| 701 | mr_free(tmp);
|
---|
[296] | 702 | res = run_program_and_log_output(command, 5);
|
---|
[3191] | 703 | mr_free(command);
|
---|
| 704 |
|
---|
[411] | 705 | unlink(output_fname);
|
---|
[128] | 706 | return (res);
|
---|
[1] | 707 | }
|
---|
| 708 |
|
---|
| 709 |
|
---|
| 710 | /**
|
---|
[296] | 711 | * Feed @p input_fifo through ntfsclone (restore) to @p output_device.
|
---|
| 712 | * @param input_fifo The ntfsclone file to read.
|
---|
[1] | 713 | * @param output_device Where to put the output.
|
---|
[296] | 714 | * @return The return value of ntfsclone (0 for success).
|
---|
[1] | 715 | */
|
---|
[296] | 716 | int feed_outfrom_ntfsprog(char *output_device, char *input_fifo)
|
---|
[1] | 717 | {
|
---|
| 718 | // RESTORE
|
---|
[296] | 719 | int res = -1;
|
---|
[3191] | 720 | char *command = NULL;
|
---|
[3866] | 721 | char *tmp = NULL;
|
---|
[1] | 722 |
|
---|
[3866] | 723 | if ((tmp = find_home_of_exe("ntfsclone")) == NULL) {
|
---|
[296] | 724 | fatal_error("ntfsclone not found");
|
---|
[128] | 725 | }
|
---|
[3866] | 726 | mr_asprintf(command, "%s --rescue --force --restore-image --overwrite %s %s", tmp, output_device, input_fifo);
|
---|
| 727 | mr_free(tmp);
|
---|
[296] | 728 | res = run_program_and_log_output(command, 5);
|
---|
[3191] | 729 | mr_free(command);
|
---|
[128] | 730 | return (res);
|
---|
[1] | 731 | }
|
---|